Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Cartier Santos de Cartier Large Full 18K Rose Gold Reference WGSA0028 is a direct Swiss foundry specimen engineered in 18K Rose Gold Au750 (39.8 mm x 9.38 mm) with a certified Mettler-Toledo mass of 178.1g, Fischer XRF Au750 metallurgical verification, and Cartier Manufacture Cal. 1847 MC / Skeleton Cal. 9611 MC running at 28,800 vph (+0.5 s/d, 304 deg) with a 72-hour power reserve and 30m / 3 ATM rating.
Catalogued in our direct Swiss foundry Cartier assay archive under Specimen Code LAB-XRF-WGSA0028-W116, this Cartier Santos de Cartier Large Full 18K Rose Gold Reference WGSA0028 is smelted and CNC-machined in 18K Rose Gold Au750 (39.8 mm x 9.38 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 178.1g and scanned via non-destructive Fischer XRF spectroscopy.
What Are the Horological & Metallurgical Benchmarks of Cartier Santos de Cartier Ref. WGSA0028?
The Cartier Santos de Cartier Reference WGSA0028 is a precision-engineered luxury timepiece crafted in 18K Rose Gold Au750 (39.8 mm x 9.38 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Hand-Finished 18K Rose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 178.1g, because its Cartier Manufacture Cal. 1847 MC / Skeleton Cal. 9611 MC movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Foundry & Laboratory Assay Specifications:
- Foundry Specimen Entity: Cartier Santos de Cartier Large Full 18K Rose Gold — Official Ref. WGSA0028 (Specimen LAB-XRF-WGSA0028-W116).
- XRF Metallurgical Assay: 18K Rose Gold Au750 certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 178.1g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Cartier Manufacture Cal. 1847 MC / Skeleton Cal. 9611 MC beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.5 s/d, 304 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, and 30m / 3 ATM barometric sealing.
Within the Cartier Santos de Cartier horological sub-silo, collectors also compare the Cartier Santos de Cartier Medium 35.1mm Opaline Dial Ref. WSSA0029 (115.5g) and the Cartier Santos de Cartier Medium 35.1mm Cal. 1847MC Ref. WSSA0029 (115.8g).
- Parent Brand & Santos de Cartier Silo Hub: Browse All 19 Certified Cartier Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Fischer XRF Au750 Spectrometry Watch Authentication SOP-750 (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K FACTORY Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
- All-Brands Catalogue: Explore Complete 12-Maison Horological Catalogue (/shop/)
- Metallurgical & Escrow Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
What laboratory instruments certify Reference WGSA0028 (Cartier)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (178.1g), a Fischer XRF spectrometer (18K Rose Gold Au750), and a Witschi Chronoscope (+0.5 s/d, 304 deg).
Does the 178.1g reading match the authentic original Cartier WGSA0028 weight?
Yes. Our CNC foundry machines the 18K Rose Gold case and bracelet to replicate the exact 178.1g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference WGSA0028?
Reference WGSA0028 is powered by the Cartier Manufacture Cal. 1847 MC / Skeleton Cal. 9611 MC operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions to +0.5 s/d, 304 deg.
What dial and bezel specifications distinguish Cartier Santos de Cartier Ref. WGSA0028?
Reference WGSA0028 combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Hand-Finished 18K Rose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 39.8 mm x 9.38 mm 18K Rose Gold Au750 case weighing 178.1g, verified via Fischer XRF spectroscopy and powered by Cartier Manufacture Cal. 1847 MC / Skeleton Cal. 9611 MC.
Cartier Santos de Cartier Large Full 18K Rose Gold Ref. WGSA0028 — XRF Certified Edition
Fischer XRF Verified 18K Rose Gold Au750 • Mettler-Toledo 178.1g • Cartier Manufacture Cal. 1847 MC / Skeleton Cal. 9611 MC
| Assay Specimen ID & Official Reference | Cartier — Santos de Cartier | Ref. WGSA0028 | SKU: LAB-XRF-WGSA0028-W116 |
|---|---|
| Fischer XRF Elemental Purity & Alloy | 18K Rose Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| Mettler-Toledo Gravimetric Mass (g) | 178.1g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Tolerance, Gem-Setting & Case Dimension | Hand-Finished 18K Rose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 178.1g 18K Rose Gold • 39.8 mm x 9.38 mm |
| Calibre Reference & Witschi Chronometry | Cartier Manufacture Cal. 1847 MC / Skeleton Cal. 9611 MC — Swiss Super Clone Mechanical Calibre Regulated to +0.5 s/d, 304 deg |
| Isochronism Frequency & Autonomous Power Reserve | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| Double AR Sapphire Crystal & Barometric Rating | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 30m / 3 ATM |
| Dial Metallurgy & Clasp Hallmark Verification | 39.8 mm x 9.38 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K Rose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |